Fur testing and cutting device



Oct. 11.19.27. .391

E. MULLER FUR TESTING AND 'CUTTING DEVI CE Filed Dec. 18. 1926 2 Sheets-Sheet 1- l 645 391 Oct. 11, 1927. E MULLER FUR TESTING AND CUTTING DEVYICE Filed Dec. 18. 1926 2 Sheets-Shoot 2 FIG. 3

- tical, downwardly directed nozzle 6. Under Patented Get. 11, 1927.

UNITED STATES I 1,645,391 PATENT OFFICE.

ERNST MtILLER; or BERLIN, GERMANY.

FUR TESTING AND CUTTING DEVICE.

Application filed December 18, 1926, Serial No. 155,748, and in Germany September 2, 1926'.

In order to test furs for bald or otherwise defective patches'or for marking or removing the same, devices are used comprising an air blast which parts the hairs of the fur so as to reveal the faulty patches, and a knife arranged under the air blast so that the patch can be directly marked by piercing it with the knife or out out altogether.

The object of the present invention is to produce an improved device of this kind which leaves the worker with both hands free for the handling of the fur, and the invention consists in the provision of a bracket having two horizontally extending 4' arms one of which carries the air nozzle and the other the knife together with a fur support which normally holds the fur clear of the knife and which can be depressed so as to expose the knife for operation.

This arrangement enables the worker to move the fur with both hands over the sup port under the air blast and to mark defective places merely by forcing the support down by means of the fur so that the knife can pierce the latter.

Figs. 1 and 2 of the accompanying drawings represent elevations of the device at right angles to each other, and

Fig. 3, a plan of the same.

The device consists of a bracket 6 which is connected to the work table by means of a clamp screw a. The bracket has two horizontally extending arms one of which rests on the table while the other has an elevated position and supports an air tube 61. The latter communicates with a fan 0 which is rigidly secured to the bracket and which delivers the induced air blast through a verthe latter a pointed knife-blade g is arranged which is fitted in a holder f secured to the lower bracket arm Knife and. holder are enclosed in a casing comprising a bottom part it and a hood is having an arched roof. The hood is supported by coil springs m, m arranged on telescopically adjustable tubes Z, Z which guide the hood so that it can be depressed in opposition to the springs. The hood has a slit n which en ables it, when depressed, to admit and expose the knife g, thelatter being normally protected by the hood. Pins p in the hood engage in slots 0 in the bottom part of the casing so as to limit the movements of the hood. The hood carries a spring-pressed catch lever which, in the lowermost posi tion of the hood, engages a hook 9 so as to retain the hood in depressed position. There mayalso be means, for instance a locking pin 5, whereby the hood can be secured in its uppermost position when the knife is not to be used. The pin is for this purpose inserted in apertures s in the hood and in the casing.

The knife-blade g is clamped to the holder 7 by means of two screws t, t. The hood has apertures 92 through which, when the hood occuples its normal position, the screws can be reached by a screwdriver for releasing and securing the blade g. This arrangeficihtate the release of the knife-blade when the screws are loosened.

The air nozzle 6 is flattened and adapted for rotary adjustment in its holder so that it can be set either parallel with the knife 9 or at right angles thereto. Preferably the tube (Z is also adapted for adjustment so as to allow the nozzle 6 to be set for delivering the air blast either perpendicularly against the knife point or at an angle to the same whichever is the most suitable.

In using the device. the fur is stretched over the hood is, which serves as a support for the same, and passed to and fro under the air blast so that, by the ensuing parting of the hairs, defective patches will be re vealed. To mark such patches the hood is pressed down by means of the fur, as inclicated by the arrows in Fig. 1, so that the skin will be pierced by the knife 9. The latter can also be used for cutting out the patch entirely in which case the hood 7c is forced down far enough to be arrested by the catch 1".

The hood is may be replaced by any other suitable spring-supported plate having a slit through which the knife can be admitted.

The fan 0 may be driven either by electric or mechanical means.

I claim 1. A fur testing and cutting device of the character described comprising a bracket having two horizontally extending arms, a pointed knife supported in an upright position by a lower arm, an air nozzle held by the pp r arm above the knife and directed towards the latter, a slotted fur support mounted resiliently on the lower arm so that it maintains the fur normally clear of the knife and so that it can yield under pressure to allow the knife to protrude through its slot, and a tan for supplying air to the nozzle.

2. The structure claimed in claim 1, and means for latching the fur support With the knife in a protruding position.

3. The structure claimed in claim 1 Where in the fur support consists of a casing which encloses the knife and which is composed of of telescopically adjustable parts, a lo holder Whereinthe. knife is vertically adjustable, and clamping screws for securing the knife to said holder, the casing being: formed with apertures through which said screws are accessible.

ERNST MULLEI I. 

